Simple !!.. pop out the old ones and fix the new ones in !
Try to use Toyota speaker adapter plugs so you don't need to cut wires and mess the electric system up. You can get them from Ebay or Amazon.== ==
6" speakers in a 2000 Toyota camery
Front - 4'' Rear - 6'' x 9'' Source: I have change the speakers in my 1994 and 1996 Toyota Camry.
The 1992 Toyota Camry front dashboard speakers measure 4.5 inches in diameter. The front door speakers measure three inches by five inches.
A very short Phillips head screwdriver to remove the 2 screws in the cover and lift out. There is not much roomk.
You have to remove the door panel, after that you will be able to replace the speaker.
To replace the front speakers in a Toyota Sienna the door panels must first be removed. With the door panels removed the speakers will be easily accessible and the mounting screws can be loosen. Unplug the speakers and remove them. Install the new speakers.
The front speakers for this car are 6 1/2 and the rear speakers are 5 1/4 size!
The 2007 Toyota Camry has 57.8 in. of front shoulder room.
The 2011 Toyota Camry has 57.8 in. of front shoulder room.
The 2006 Toyota Camry has 57.5 in. of front shoulder room.
The 2014 Toyota Camry has 54.5 in. of front hip room.